人教版八年級英語下冊《I'll help to clean up the city parks》PPT下載(第5課時)，共26頁。
情景導入
Do you have any pet animals?
Did you help homeless cats or dogs in the street?
生成新知
How do you usually thank someone who helps you? Discuss this with a partner.
Send a thanks card.
Write a thanks letter.
問題探究
【知識點撥】
1．make a difference
make a difference(to…)意為“(對……)有影響；(對……)起作用”。difference前面還可用some，big，great等詞修飾，make a big/great difference表示“有重大影響；起很大作用”。
例句：Exercise made a big/great difference to her.鍛煉對她產生了很大的作用。
【拓展】
make no difference 沒有影響；無關緊要 make all the difference關系重大；大不相同
例句：Whether she is rich or not makes no difference to me.她是否富有對我并沒有影響。
A few kind words at the right time make all the difference.在適當的時候說幾句體貼的話效果迥然不同。
2．imagine
imagine作動詞，意為“想象；設想”，不可用于進行時。其名詞形式為imagination，意為“想象”。
例句：Can you imagine life on the moon？你能想象在月球上的生活嗎？
【拓展】imagine doing sth.想象做某事 imagine sb.to do sth.想象某人做某事
例句：He tried to imagine being on the moon.他試著想象是在月球上。
She imagines herself to be a famous singer.她把自己想象成一位有名的歌手。
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關鍵詞：I'll help to clean up the city parks PPT課件免費下載，.PPT格式；
